Vampiric Child

Darkvision. Can see in darkness unimpaired. 

Spellcasting. The Vampiric Child is a 1st-level spellcaster. Its spellcasting ability is intelligence, (spell save DC 17, +8 to hit with spell attacks). The Vampiric Child has the following wizard spells prepared:
Cantrips (at will): minor illusion, toll the dead
1st level (4 slots): cause fear, feather fall

Bite. Melee Weapon Attack: +4 to hit, reach 5 ft., 1 target. Hit:  8 (1d8 + 3) necrotic damage; heal half of the damage dealt

Ghastly Touch. Melee Weapon Attack: +4 to hit, range 5ft., 1 target. Hit: 14  (3d6 + 4) necrotic damage; deal 1 additional d4 to a target that is frightened. 

Swarm. Ranged Weapon Attack: +8 to hit, range 30/80 ft., 1 target. Hit: 7 (1d4+5) necrotic damage; target must success a DC 20 constitution saving throw or become paralyzed for 1 minute. They can repeat the saving throw at the end of their turn to end the effect early, and if they succeed the throw they are immune to the paralyzing effects for 24 hours.

Malaise. Upon being successfully attacked, roll against the attacker's AC (spell modifier + 8). On a hit, they are overcome with negative emotions and roll with disadvantage the next time they attack. 

Phantom Wings. Fly up to double speed in the air. No melee range characters can launch attacks of opportunity, and they all must succeed DC 20 dexterity saving throws or be knocked prone. (requires 2 actions)